I wonder if she was actually banned.

I guarantee she was not. Loomer is a notorious bullshit artist and serial liar. Regardless, it reminds me of the evergreen XKCD quip.

I can’t remember where I heard this, but someone once said that defending a position by citing free speech is sort of the ultimate concession; you’re saying that the most compelling thing you can say for your position is that it’s not literally illegal to express.